Home / 245,656.16-339,001.57-138,226.13

Finding the Fourth Proportional to 245,656.16, 339,001.57 and 138,226.13

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Solution

The fourth proportional to 245,656.16, 339,001.57 and 138,226.13 is: 190,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,656.16 : 339,001.57 = 138,226.13 : x
  2. Step 2: Convert to fraction form
    245,656.16/339,001.57 = 138,226.13/x
  3. Step 3: Cross multiply
    245,656.16x = 339,001.57 × 138,226.13
  4. Step 4: Simplify right side
    245,656.16x = 46,858,875,085.02
  5. Step 5: Solve for x
    x = 46,858,875,085.02/245,656.16
  6. Step 6: Final answer
    x = 190,749.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.